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Finding the Fourth Proportional to 614,335.96, 920,871.87 and 235,167.40

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Solution

The fourth proportional to 614,335.96, 920,871.87 and 235,167.40 is: 352,509.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,335.96 : 920,871.87 = 235,167.40 : x
  2. Step 2: Convert to fraction form
    614,335.96/920,871.87 = 235,167.40/x
  3. Step 3: Cross multiply
    614,335.96x = 920,871.87 × 235,167.40
  4. Step 4: Simplify right side
    614,335.96x = 216,559,043,401.04
  5. Step 5: Solve for x
    x = 216,559,043,401.04/614,335.96
  6. Step 6: Final answer
    x = 352,509.14

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.